13281075

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:964

約数の個数: 36

約数和(自身を含む): 24170328

約数和(自身を除く): 10889253

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 201, 225, 335, 603, 881, 1005, 1675, 2643, 3015, 4405, 5025, 7929, 13215, 15075, 22025, 39645, 59027, 66075, 177081, 198225, 295135, 531243, 885405, 1475675, 2656215, 4427025, 13281075]

約数ペア:

[(1, 13281075), (3, 4427025), (5, 2656215), (9, 1475675), (15, 885405), (25, 531243), (45, 295135), (67, 198225), (75, 177081), (201, 66075), (225, 59027), (335, 39645), (603, 22025), (881, 15075), (1005, 13215), (1675, 7929), (2643, 5025), (3015, 4405)]